Publications

Optical fibers that are exposed to trace amounts of hydrogen can experience detrimental loss increases due to (1) IR active molecular hydrogen dissolved in the fiber and (2) reaction of the H2 to

(1)H NMR spectra of rhodium particles dispersed on silica under 1 Torr of H(2) are comprised of two peaks at ~3 ppm and at ~ -104 ppm.

The problem of hydrogenation of InP has been surmounted by exposure of the InP surface to a hydrogen plasma through a thin SiN sub x (H) cap layer.

The results of a low temperature (5K) photoluminescence study of hydrogenation of GaAs on InP grown by metal organic chemical vapor deposition are presented.

The use of hermetic coatings on optical fibers can prevent strength degradation caused by the presence of H sub 2 O at the fiber surface and can also prevent loss increases that might arise from H

Hydrogen permeation has been measured for optical fibers with hermetic carbon coatings.

Infrared reflection absorption spectroscopy (IRRAS) has been used to identify the hydrogen phonon absorption with strict dipole character for the system Pt(111)-(1X1)H over the 800- 4000 cm sup (-1

Hydrogen phonon spectra at saturation coverage are reported for Mo(100), W(100), and Pt(111).

Chemisorbed hydrogen has been studied on a variety of simple and composite transition metal surfaces using local density functional calculations.

An experimental and analytical study, dealing particularly with the variation of temperature along the length of the filament.